On Thu, Aug 20, 2009 at 12:56 PM, Tao Wu <lanlan...@gmail.com> wrote:
> Hi, > > I write a H264 framer and it works with openRTSP. However, it will > cause VLC player to crash. > Thanks for Ross's comment, I realized that my setup of SDP > sprop_parameter_sets_str is not correct. > > I do not know the format or structure of SDP sprop_parameter_sets. I > go over the RFC 3984, but not find the structure of it. > Can anyone point out where I can find its definition/structure? It's already been discussed here extensively, but the format is: "SPS as Base64,PPS as Base64" SPS/PPS correspond with Sequence Parameter Set and Picture Parameter Set, respectively. So the SPS info base-64 encoded followed by the PPS base-64 encoded, and delimited with a ",". If you're asking about the actual format of the SPS/PPS info, that's specified in the ITU-T H.264 specification, but you really don't need to know any of that information to get streaming working. Your H.264 encoder should have some way of providing you the SPS/PPS data, either in the video stream itself or through some other interface. I'd consult the API for your encoder.
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